competition economic environment fierce given market measure a series of 不定式作目的状语 形容词作定语 表示条件 介词与其它词类的搭配 feasible uncertainty

conceal ease measure shift 动词词义辨析

estimate measure service 介词与其它词类的搭配 一般现在时 让步状语从句 关系代词which引导限制性定语从句 in terms of

despite economic epidemic measure seek(sought sought) setback work hard 不定式作目的状语 介词与其它词类的搭配 现在完成进行时 boost

happen measure 现在分词作状语 关系代词that引导限制性定语从句

appearance effective indicate measure positive witness 一般现在时 现在进行时 that,if, whether引导的宾语从句 which引导非限制性定语从句

beginning measure remain 逗留 security 一般将来时 implement

control epidemic measure restore be worth doing 名词作主语 一般现在时 及物动词 关系代词that引导限制性定语从句

effective measure problem solve 含情态动词的被动语态